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1 | /* |
2 | * Copyright (c) 2010 Mans Rullgard <mans@mansr.com> | |
3 | * | |
4 | * This file is part of FFmpeg. | |
5 | * | |
6 | * FFmpeg is free software; you can redistribute it and/or | |
7 | * modify it under the terms of the GNU Lesser General Public | |
8 | * License as published by the Free Software Foundation; either | |
9 | * version 2.1 of the License, or (at your option) any later version. | |
10 | * | |
11 | * FFmpeg is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | * Lesser General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU Lesser General Public | |
17 | * License along with FFmpeg; if not, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
19 | */ | |
20 | ||
21 | #include <stdint.h> | |
22 | ||
23 | #include "libavutil/attributes.h" | |
24 | #include "libavutil/arm/cpu.h" | |
25 | #include "libavcodec/h264dsp.h" | |
26 | #include "libavcodec/arm/startcode.h" | |
27 | ||
28 | void ff_h264_v_loop_filter_luma_neon(uint8_t *pix, int stride, int alpha, | |
29 | int beta, int8_t *tc0); | |
30 | void ff_h264_h_loop_filter_luma_neon(uint8_t *pix, int stride, int alpha, | |
31 | int beta, int8_t *tc0); | |
32 | void ff_h264_v_loop_filter_chroma_neon(uint8_t *pix, int stride, int alpha, | |
33 | int beta, int8_t *tc0); | |
34 | void ff_h264_h_loop_filter_chroma_neon(uint8_t *pix, int stride, int alpha, | |
35 | int beta, int8_t *tc0); | |
36 | ||
37 | void ff_weight_h264_pixels_16_neon(uint8_t *dst, int stride, int height, | |
38 | int log2_den, int weight, int offset); | |
39 | void ff_weight_h264_pixels_8_neon(uint8_t *dst, int stride, int height, | |
40 | int log2_den, int weight, int offset); | |
41 | void ff_weight_h264_pixels_4_neon(uint8_t *dst, int stride, int height, | |
42 | int log2_den, int weight, int offset); | |
43 | ||
44 | void ff_biweight_h264_pixels_16_neon(uint8_t *dst, uint8_t *src, int stride, | |
45 | int height, int log2_den, int weightd, | |
46 | int weights, int offset); | |
47 | void ff_biweight_h264_pixels_8_neon(uint8_t *dst, uint8_t *src, int stride, | |
48 | int height, int log2_den, int weightd, | |
49 | int weights, int offset); | |
50 | void ff_biweight_h264_pixels_4_neon(uint8_t *dst, uint8_t *src, int stride, | |
51 | int height, int log2_den, int weightd, | |
52 | int weights, int offset); | |
53 | ||
54 | void ff_h264_idct_add_neon(uint8_t *dst, int16_t *block, int stride); | |
55 | void ff_h264_idct_dc_add_neon(uint8_t *dst, int16_t *block, int stride); | |
56 | void ff_h264_idct_add16_neon(uint8_t *dst, const int *block_offset, | |
57 | int16_t *block, int stride, | |
58 | const uint8_t nnzc[6*8]); | |
59 | void ff_h264_idct_add16intra_neon(uint8_t *dst, const int *block_offset, | |
60 | int16_t *block, int stride, | |
61 | const uint8_t nnzc[6*8]); | |
62 | void ff_h264_idct_add8_neon(uint8_t **dest, const int *block_offset, | |
63 | int16_t *block, int stride, | |
64 | const uint8_t nnzc[6*8]); | |
65 | ||
66 | void ff_h264_idct8_add_neon(uint8_t *dst, int16_t *block, int stride); | |
67 | void ff_h264_idct8_dc_add_neon(uint8_t *dst, int16_t *block, int stride); | |
68 | void ff_h264_idct8_add4_neon(uint8_t *dst, const int *block_offset, | |
69 | int16_t *block, int stride, | |
70 | const uint8_t nnzc[6*8]); | |
71 | ||
72 | static av_cold void h264dsp_init_neon(H264DSPContext *c, const int bit_depth, | |
73 | const int chroma_format_idc) | |
74 | { | |
75 | #if HAVE_NEON | |
76 | if (bit_depth == 8) { | |
77 | c->h264_v_loop_filter_luma = ff_h264_v_loop_filter_luma_neon; | |
78 | c->h264_h_loop_filter_luma = ff_h264_h_loop_filter_luma_neon; | |
79 | if(chroma_format_idc == 1){ | |
80 | c->h264_v_loop_filter_chroma = ff_h264_v_loop_filter_chroma_neon; | |
81 | c->h264_h_loop_filter_chroma = ff_h264_h_loop_filter_chroma_neon; | |
82 | } | |
83 | ||
84 | c->weight_h264_pixels_tab[0] = ff_weight_h264_pixels_16_neon; | |
85 | c->weight_h264_pixels_tab[1] = ff_weight_h264_pixels_8_neon; | |
86 | c->weight_h264_pixels_tab[2] = ff_weight_h264_pixels_4_neon; | |
87 | ||
88 | c->biweight_h264_pixels_tab[0] = ff_biweight_h264_pixels_16_neon; | |
89 | c->biweight_h264_pixels_tab[1] = ff_biweight_h264_pixels_8_neon; | |
90 | c->biweight_h264_pixels_tab[2] = ff_biweight_h264_pixels_4_neon; | |
91 | ||
92 | c->h264_idct_add = ff_h264_idct_add_neon; | |
93 | c->h264_idct_dc_add = ff_h264_idct_dc_add_neon; | |
94 | c->h264_idct_add16 = ff_h264_idct_add16_neon; | |
95 | c->h264_idct_add16intra = ff_h264_idct_add16intra_neon; | |
96 | if (chroma_format_idc <= 1) | |
97 | c->h264_idct_add8 = ff_h264_idct_add8_neon; | |
98 | c->h264_idct8_add = ff_h264_idct8_add_neon; | |
99 | c->h264_idct8_dc_add = ff_h264_idct8_dc_add_neon; | |
100 | c->h264_idct8_add4 = ff_h264_idct8_add4_neon; | |
101 | } | |
102 | #endif // HAVE_NEON | |
103 | } | |
104 | ||
105 | av_cold void ff_h264dsp_init_arm(H264DSPContext *c, const int bit_depth, | |
106 | const int chroma_format_idc) | |
107 | { | |
108 | int cpu_flags = av_get_cpu_flags(); | |
109 | ||
110 | #if HAVE_ARMV6 | |
111 | if (have_setend(cpu_flags)) | |
112 | c->startcode_find_candidate = ff_startcode_find_candidate_armv6; | |
113 | #endif | |
114 | if (have_neon(cpu_flags)) | |
115 | h264dsp_init_neon(c, bit_depth, chroma_format_idc); | |
116 | } |